DNA Marker Index information for Chromosome: Y Marker: BY749.1Names and Aliases for this DNA Marker: BY749.1, BY749, YP4779.1, YP4779, rs924923031.Chromosome Position in hg38 Human Genome assembly1: 8087012.Chromosome Position in hg19 assembly2: 7955053 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: A.